.

rapids/models.py

@@ -458,6 +458,7 @@ class RapidImage(models.Model):
             # Try and read the file as a dicom
             try:
                 # and generate a hash from the pixel data
+                # TODO: improve?
                 dataset = pydicom.dcmread(self.image)
                 print(dataset)
                 flatten = dataset.pixel_array.flatten()

rapids/templates/rapids/rapid_form.html

@@ -446,6 +446,7 @@
 
 
                 ocr2(url, el);
+                checkHash(hash);
 
                 $("#drop-filenames").append(
                     `<span data-input-id='${el.id}'><span>${n}: ${el.files[0].name}</span><img class='uploading${extra_class}' data-input-id='${el.id}' src=${url}></span>`
@@ -468,6 +469,7 @@
 
                     let hash = CryptoJS.MD5(pixel_data).toString();
                     console.log(element, "HASH", hash)
+                    checkHash(hash);
 
                 });
 
@@ -630,6 +632,31 @@
 
     }
 
+    function checkHash(hash) {
+      $.ajax({
+          url: "{% url 'rapids:rapid_question_by_hash' %}",
+          data: {
+            csrfmiddlewaretoken: csrf,
+            hash: hash
+          },
+          type: "POST",
+          dataType: "json",
+        })
+        // $.ajax().done(), $.ajax().fail(), $ajax().always() are upto you. Add/change accordingly
+        .done(function (data) {
+          console.log(data);
+
+          if (data.status == "success") {
+          console.log("success");
+          console.log(data.id)
+            toastr.info(f'id {data.id}')
+          }
+        })
+        .always(function () {
+          console.log('[Done]');
+        })
+    }
+
     function extractDicomStudyDescription(byteArray) {
         // We need to setup a try/catch block because parseDicom will throw an exception
         // if you attempt to parse a non dicom part 10 file (or one that is corrupted)

rapids/urls.py

@@ -12,6 +12,7 @@ urlpatterns = [
     path("author/<int:pk>/", views.GenericViews.author_detail, name="author_detail"),
     path("author/", views.GenericViews.author_list, name="author_list"),
     path("question/", views.RapidView.as_view(), name="rapid_view"),
+    path("question/hash", views.get_question_by_hash, name="rapid_question_by_hash"),
     # path("unchecked/", views.unchecked_list, name="unchecked_list"),
     # path("verified/<int:pk>/", views.verified_detail, name="verified_detail"),
     path(

rapids/views.py

@@ -33,6 +33,7 @@ from .forms import (
 from .models import (
     Rapid,
     Abnormality,
+    RapidImage,
     Region,
     Examination,
     Exam,
@@ -1105,3 +1106,17 @@ def question_save_annotation(request, pk):
 class ExamClone(ExamCloneMixin, ExamCreate):
     """Clone exam view"""
 
+
+@login_required
+def get_question_by_hash(request, pk):
+    if request.is_ajax() and request.method == "POST":
+
+        hash = json.loads(request.POST.get("hash"))
+
+        try:
+            question = RapidImage.objects.get(image_md5_hash=hash)
+            data = {"status": "success", "id": question.pk}
+            return JsonResponse(data, status=200)
+        except RapidImage.DoesNotExist:
+            data = {"status": "success", "id": False}
+            return JsonResponse(data, status=200)